Home / 52,112.64-78,166.40-17,047.68

Finding the Fourth Proportional to 52,112.64, 78,166.40 and 17,047.68

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Solution

The fourth proportional to 52,112.64, 78,166.40 and 17,047.68 is: 25,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.64 : 78,166.40 = 17,047.68 : x
  2. Step 2: Convert to fraction form
    52,112.64/78,166.40 = 17,047.68/x
  3. Step 3: Cross multiply
    52,112.64x = 78,166.40 × 17,047.68
  4. Step 4: Simplify right side
    52,112.64x = 1,332,555,773.95
  5. Step 5: Solve for x
    x = 1,332,555,773.95/52,112.64
  6. Step 6: Final answer
    x = 25,570.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.